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Paperback - AC Service Tech Refrigerant Charging and Service Procedures for Air Conditioning by Craig Migliaccio
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Refrigerant Charging Procedure for air conditioner or heat pump repair or refrigeration equipment repair
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Amazon.com: gohantee R134A Refrigerant Charge Hose Kit, 1/4” SAE Port for R12 R22 Air Conditioning, 59" Recharge Hose with 2.75" Gauge, Removable Universal Freon Can Tap, and R134a Low Side Quick Couple
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